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b22cca6c3b
R=mark@chromium.org Change-Id: I0bf09c96715161827bdad70bb375ad8193456d28 Reviewed-on: https://chromium-review.googlesource.com/342634 Reviewed-by: Mark Mentovai <mark@chromium.org>
111 lines
3.6 KiB
C++
111 lines
3.6 KiB
C++
// Copyright 2015 The Crashpad Authors. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef CRASHPAD_SNAPSHOT_WIN_EXCEPTION_SNAPSHOT_WIN_H_
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#define CRASHPAD_SNAPSHOT_WIN_EXCEPTION_SNAPSHOT_WIN_H_
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#include <windows.h>
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#include <stdint.h>
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#include "base/macros.h"
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#include "build/build_config.h"
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#include "snapshot/cpu_context.h"
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#include "snapshot/exception_snapshot.h"
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#include "snapshot/win/thread_snapshot_win.h"
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#include "util/misc/initialization_state_dcheck.h"
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#include "util/stdlib/pointer_container.h"
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#include "util/win/address_types.h"
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#include "util/win/process_structs.h"
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namespace crashpad {
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class ProcessReaderWin;
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namespace internal {
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class MemorySnapshotWin;
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#if defined(ARCH_CPU_X86_FAMILY)
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union CPUContextUnion {
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CPUContextX86 x86;
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CPUContextX86_64 x86_64;
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};
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#endif
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class ExceptionSnapshotWin final : public ExceptionSnapshot {
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public:
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ExceptionSnapshotWin();
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~ExceptionSnapshotWin() override;
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//! \brief Initializes the object.
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//!
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//! \param[in] process_reader A ProcessReader for the process that sustained
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//! the exception.
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//! \param[in] thread_id The thread ID in which the exception occurred.
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//! \param[in] exception_pointers_address The address of an
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//! `EXCEPTION_POINTERS` record in the target process, passed through from
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//! the exception handler.
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//!
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//! \note If the exception was triggered by
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//! CrashpadClient::DumpAndCrashTargetProcess(), this has the side-effect
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//! of correcting the thread suspend counts for \a process_reader.
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//!
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//! \return `true` if the snapshot could be created, `false` otherwise with
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//! an appropriate message logged.
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bool Initialize(ProcessReaderWin* process_reader,
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DWORD thread_id,
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WinVMAddress exception_pointers);
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// ExceptionSnapshot:
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const CPUContext* Context() const override;
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uint64_t ThreadID() const override;
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uint32_t Exception() const override;
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uint32_t ExceptionInfo() const override;
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uint64_t ExceptionAddress() const override;
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const std::vector<uint64_t>& Codes() const override;
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std::vector<const MemorySnapshot*> ExtraMemory() const override;
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private:
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template <class ExceptionRecordType,
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class ExceptionPointersType,
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class ContextType>
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bool InitializeFromExceptionPointers(
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ProcessReaderWin* process_reader,
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WinVMAddress exception_pointers_address,
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DWORD exception_thread_id,
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void (*native_to_cpu_context)(const ContextType& context_record,
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CPUContext* context,
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CPUContextUnion* context_union));
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#if defined(ARCH_CPU_X86_FAMILY)
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CPUContextUnion context_union_;
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#endif
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CPUContext context_;
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std::vector<uint64_t> codes_;
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PointerVector<internal::MemorySnapshotWin> extra_memory_;
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uint64_t thread_id_;
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uint64_t exception_address_;
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uint32_t exception_flags_;
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DWORD exception_code_;
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InitializationStateDcheck initialized_;
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DISALLOW_COPY_AND_ASSIGN(ExceptionSnapshotWin);
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};
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} // namespace internal
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} // namespace crashpad
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#endif // CRASHPAD_SNAPSHOT_WIN_EXCEPTION_SNAPSHOT_WIN_H_
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